Al Green
Lenny Williams
Viggo Mortensen (Yeah I had no fuckin clue he made music either, until a couple months ago.)
Most old Mo-town/Soul
(old) Coheed&Cambira
Phil Collins
Blind Melon (Though they are one of the most underrated bands of the 90's)
Old School Rap/Hip Hop
some new school Hip Hop (MF Doom, Immortal Technique, Nas, and the like)
Alkaline Trio (Should have made it big)
Gnarls Barkley
Dj Dangermouse
Tv on the Radio (I really don't know why I like them. I guess it's the soul vibe I get from them.)
and many more I can't remember right now.